//set lcdc according the screen info
static int rk3188_load_screen(struct rk_lcdc_device_driver *dev_drv, bool initscreen)
{
int ret = -EINVAL;
int fps;
u16 face = 0;
struct rk3188_lcdc_device *lcdc_dev =
container_of(dev_drv,struct rk3188_lcdc_device,driver);
rk_screen *screen = dev_drv->cur_screen;
u16 right_margin = screen->right_margin;
u16 left_margin = screen->left_margin;
u16 lower_margin = screen->lower_margin;
u16 upper_margin = screen->upper_margin;
u16 x_res = screen->x_res;
u16 y_res = screen->y_res;
spin_lock(&lcdc_dev->reg_lock);
if(likely(lcdc_dev->clk_on))
{
if(screen->type==SCREEN_MCU)
{
printk("MUC¡¡screen not supported now!\n");
return -EINVAL;
}
switch (screen->face)
{
case OUT_P565:
face = OUT_P565; //dither down to rgb565
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_DOWN_SEL,v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0) |
v_DITHER_DOWN_SEL(1));
break;
case OUT_P666:
face = OUT_P666; //dither down to rgb666
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_DOWN_SEL, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
v_DITHER_DOWN_SEL(1));
break;
case OUT_D888_P565:
face = OUT_P888;
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_DOWN_SEL, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0) |
v_DITHER_DOWN_SEL(1));
break;
case OUT_D888_P666:
face = OUT_P888;
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_DOWN_SEL, v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
v_DITHER_DOWN_SEL(1));
break;
case OUT_P888:
face = OUT_P888;
break;
default:
printk("unsupported display output interface!\n");
break;
}
//use default overlay,set vsyn hsync den dclk polarity
lcdc_msk_reg(lcdc_dev, DSP_CTRL0,m_DSP_OUT_FORMAT | m_HSYNC_POL | m_VSYNC_POL |
m_DEN_POL |m_DCLK_POL,v_DSP_OUT_FORMAT(face) | v_HSYNC_POL(screen->pin_hsync) |
v_VSYNC_POL(screen->pin_vsync) | v_DEN_POL(screen->pin_den) | v_DCLK_POL(screen->pin_dclk));
//set background color to black,set swap according to the screen panel,disable blank mode
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_BG_COLOR| m_DSP_BG_SWAP | m_DSP_RB_SWAP |
m_DSP_RG_SWAP | m_DSP_DELTA_SWAP | m_DSP_DUMMY_SWAP | m_BLANK_EN,
v_BG_COLOR(0x000000) | v_DSP_BG_SWAP(screen->swap_gb) |
v_DSP_RB_SWAP(screen->swap_rb) | v_DSP_RG_SWAP(screen->swap_rg) |
v_DSP_DELTA_SWAP(screen->swap_delta) | v_DSP_DUMMY_SWAP(screen->swap_dumy) |
v_BLANK_EN(0) | v_BLACK_EN(0));
lcdc_writel(lcdc_dev,DSP_HTOTAL_HS_END,v_HSYNC(screen->hsync_len) |
v_HORPRD(screen->hsync_len + left_margin + x_res + right_margin));
lcdc_writel(lcdc_dev,DSP_HACT_ST_END,v_HAEP(screen->hsync_len + left_margin + x_res) |
v_HASP(screen->hsync_len + left_margin));
lcdc_writel(lcdc_dev,DSP_VTOTAL_VS_END, v_VSYNC(screen->vsync_len) |
v_VERPRD(screen->vsync_len + upper_margin + y_res + lower_margin));
lcdc_writel(lcdc_dev,DSP_VACT_ST_END,v_VAEP(screen->vsync_len + upper_margin+y_res)|
v_VASP(screen->vsync_len + screen->upper_margin));
}
spin_unlock(&lcdc_dev->reg_lock);
ret = clk_set_rate(lcdc_dev->dclk, screen->pixclock);
if(ret)
{
dev_err(dev_drv->dev,"set lcdc%d dclk failed\n",lcdc_dev->id);
}
lcdc_dev->driver.pixclock = lcdc_dev->pixclock = div_u64(1000000000000llu, clk_get_rate(lcdc_dev->dclk));
fps = rk_fb_calc_fps(screen,lcdc_dev->pixclock);
screen->ft = 1000/fps;
printk("%s: dclk:%lu>>fps:%d ",lcdc_dev->driver.name,clk_get_rate(lcdc_dev->dclk),fps);
if(screen->init)
{
screen->init();
}
if(screen->sscreen_set)
{
screen->sscreen_set(screen,!initscreen);
}
dev_info(dev_drv->dev,"%s for lcdc%d ok!\n",__func__,lcdc_dev->id);
return 0;
}
int rk_lcdc_load_screen(vidinfo_t *vid)
{
struct lcdc_device *lcdc_dev = &rk32_lcdc;
struct rk_screen *screen = lcdc_dev->screen;
int face = 0;
u32 msk, val;
rk_fb_vidinfo_to_screen(vid, screen);
if (vid->screen_type == SCREEN_MIPI ||
vid->screen_type == SCREEN_DUAL_MIPI) {
rk32_mipi_enable(vid);
if (vid->screen_type == SCREEN_MIPI) {
msk = m_MIPI_OUT_EN | m_EDP_OUT_EN |
m_HDMI_OUT_EN | m_RGB_OUT_EN;
val = v_MIPI_OUT_EN(1);
} else {
msk = m_MIPI_OUT_EN | m_EDP_OUT_EN |
m_HDMI_OUT_EN | m_RGB_OUT_EN |
m_DOUB_CHANNEL_EN;
val = v_MIPI_OUT_EN(1) | v_DOUB_CHANNEL_EN(1);
}
} else if (vid->screen_type == SCREEN_EDP) {
msk = m_MIPI_OUT_EN | m_EDP_OUT_EN |
m_HDMI_OUT_EN | m_RGB_OUT_EN;
val = v_EDP_OUT_EN(1);
} else if (vid->screen_type == SCREEN_HDMI) {
msk = m_MIPI_OUT_EN | m_EDP_OUT_EN |
m_HDMI_OUT_EN | m_RGB_OUT_EN;
val = v_HDMI_OUT_EN(1);
} else if (vid->screen_type == SCREEN_RGB ||
vid->screen_type == SCREEN_LVDS ||
vid->screen_type == SCREEN_DUAL_LVDS) {
msk = m_MIPI_OUT_EN | m_EDP_OUT_EN |
m_HDMI_OUT_EN | m_RGB_OUT_EN;
val = v_RGB_OUT_EN(1);
} else {
msk = m_MIPI_OUT_EN | m_EDP_OUT_EN |
m_HDMI_OUT_EN | m_RGB_OUT_EN;
val = v_HDMI_OUT_EN(1);
}
lcdc_msk_reg(lcdc_dev, SYS_CTRL, msk, val);
msk = m_DSP_BLACK_EN | m_DSP_BLANK_EN | m_DSP_OUT_ZERO |
m_DSP_DCLK_POL | m_DSP_DEN_POL | m_DSP_VSYNC_POL |
m_DSP_HSYNC_POL;
val = v_DSP_BLACK_EN(0) | v_DSP_BLANK_EN(0) | v_DSP_OUT_ZERO(0) |
v_DSP_DCLK_POL(vid->vl_clkp) | v_DSP_DEN_POL(vid->vl_oep) |
v_DSP_VSYNC_POL(vid->vl_vsp) | v_DSP_HSYNC_POL(vid->vl_hsp);
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, msk, val);
switch (vid->lcd_face) {
case OUT_P565:
face = OUT_P565;
msk = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE;
val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0);
break;
case OUT_P666:
face = OUT_P666;
msk = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_DOWN_SEL;
val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
v_DITHER_DOWN_SEL(1);
break;
case OUT_D888_P565:
face = OUT_P888;
msk = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE;
val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(0);
break;
case OUT_D888_P666:
face = OUT_P888;
msk = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_DOWN_SEL;
val = v_DITHER_DOWN_EN(1) | v_DITHER_DOWN_MODE(1) |
v_DITHER_DOWN_SEL(1);
break;
case OUT_P888:
face = OUT_P888;
msk = m_DITHER_DOWN_EN | m_DITHER_UP_EN |
m_PRE_DITHER_DOWN_EN;
val = v_DITHER_DOWN_EN(0) | v_DITHER_UP_EN(1) |
v_PRE_DITHER_DOWN_EN(1);
break;
case OUT_P101010:
face = OUT_P101010;
msk = m_DITHER_DOWN_EN | m_DITHER_UP_EN |
m_PRE_DITHER_DOWN_EN;
val = v_DITHER_DOWN_EN(0) | v_DITHER_UP_EN(1) |
v_PRE_DITHER_DOWN_EN(0);
break;
default:
face = vid->lcd_face;
msk = m_DITHER_DOWN_EN | m_DITHER_DOWN_MODE |
m_DITHER_UP_EN;
val = v_DITHER_DOWN_EN(0) | v_DITHER_DOWN_MODE(0) |
v_DITHER_UP_EN(1);
break;
}
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, msk, val);
if (vid->screen_type == SCREEN_EDP || vid->screen_type == SCREEN_HDMI)
face = OUT_P101010;
msk = m_DSP_RG_SWAP | m_DSP_RB_SWAP | m_DSP_DELTA_SWAP |
m_DSP_FIELD_POL | m_DSP_DUMMY_SWAP | m_DSP_BG_SWAP |
m_DSP_OUT_MODE;
val = v_DSP_RG_SWAP(0) | v_DSP_RB_SWAP(vid->vl_swap_rb) |
v_DSP_DELTA_SWAP(0) | v_DSP_DUMMY_SWAP(0) |
v_DSP_FIELD_POL(0) | v_DSP_BG_SWAP(0) |
v_DSP_OUT_MODE(face);
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, msk, val);
lcdc_writel(lcdc_dev, DSP_BG, 0);
val = v_DSP_HS_PW(vid->vl_hspw) | v_DSP_HTOTAL(vid->vl_hspw +
vid->vl_hbpd + vid->vl_col + vid->vl_hfpd);
lcdc_writel(lcdc_dev, DSP_HTOTAL_HS_END, val);
val = v_DSP_HACT_END(vid->vl_hspw + vid->vl_hbpd + vid->vl_col) |
v_DSP_HACT_ST(vid->vl_hspw + vid->vl_hbpd);
lcdc_writel(lcdc_dev, DSP_HACT_ST_END, val);
val = v_DSP_VTOTAL(vid->vl_vspw + vid->vl_vbpd +
vid->vl_row + vid->vl_vfpd) | v_DSP_VS_PW(vid->vl_vspw);
lcdc_writel(lcdc_dev, DSP_VTOTAL_VS_END, val);
val = v_DSP_VACT_END(vid->vl_vspw + vid->vl_vbpd + vid->vl_row)|
v_DSP_VACT_ST(vid->vl_vspw + vid->vl_vbpd);
lcdc_writel(lcdc_dev, DSP_VACT_ST_END, val);
val = v_DSP_HACT_END_POST(vid->vl_hspw + vid->vl_hbpd + vid->vl_col) |
v_DSP_HACT_ST_POST(vid->vl_hspw + vid->vl_hbpd);
lcdc_writel(lcdc_dev, POST_DSP_HACT_INFO, val);
val = v_DSP_HACT_END_POST(vid->vl_vspw + vid->vl_vbpd + vid->vl_row)|
v_DSP_HACT_ST_POST(vid->vl_vspw + vid->vl_vbpd);
lcdc_writel(lcdc_dev, POST_DSP_VACT_INFO, val);
lcdc_writel(lcdc_dev, POST_DSP_VACT_INFO_F1, 0);
lcdc_writel(lcdc_dev, POST_RESERVED, 0x10001000);
lcdc_writel(lcdc_dev, MCU_CTRL, 0);
msk = m_DSP_LINE_FLAG_NUM | m_LINE_FLAG_INTR_EN;
val = v_DSP_LINE_FLAG_NUM(vid->vl_vspw + vid->vl_vbpd + vid->vl_row) |
v_LINE_FLAG_INTR_EN(0);
lcdc_msk_reg(lcdc_dev, INTR_CTRL0, msk, val);
lcdc_cfg_done(lcdc_dev);
if ((vid->screen_type == SCREEN_LVDS) ||
(vid->screen_type == SCREEN_DUAL_LVDS) ||
(vid->screen_type == SCREEN_RGB)) {
rk32_lvds_en(vid);
} else if (vid->screen_type == SCREEN_EDP) {
rk32_edp_enable(vid);
} else if ((vid->screen_type == SCREEN_MIPI) ||
(vid->screen_type == SCREEN_DUAL_MIPI)) {
rk32_dsi_sync();
}
return 0;
}
